docs: def parse_options():
  	"""
  	parse_options() -> opts, args
  
  	Parse any command-line options given returning both
  	the parsed options and arguments.
  
  	https://docs.python.org/2/library/optparse.html
  
  	"""
  
  	parser = optparse.OptionParser(usage=USAGE, version=ontospy.VERSION)
  
  	parser.add_option("-p", "--port",
  			action="store", type="int", default=DEFAULT_PORT, dest="port",
  			help="A number specifying which port to use for the server.")
  
  	opts, args = parser.parse_args()
  
  	# if not opts.all and not opts.query:
  	#	parser.print_help()
  	#	sys.exit(0)
  
  	return opts, args